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Stockfacts

EOD US-equity data for investors and AI agents

Data is end-of-day, not real-time, and not investment advice

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Options · ISRG

As of 2026-08-20
Put/Call Volume Ratio
1.38
Put-dominant · hedging/bearish
Put/Call OI Ratio
1.15
Cumulative positioning sentiment
Front-month ATM Implied Volatility
27.8%
Market-expected move
Contracts / Expirations
807
10 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––200.000.001.70132.2%01
–––––210.000.001.70122.5%01
10170.3%141.40149.40230.00–––––
–––––250.000.000.3087.3%12
10124.4%111.20119.20260.00–––––
–––––270.000.006.8071.7%01
–––––280.000.002.7064.9%01
–––––285.000.001.5061.0%030
–––––290.000.006.8057.1%02
–––––295.000.005.1054.2%02
2087.3%71.7079.20300.000.000.2550.3%049
35077.6%66.3074.30305.000.003.1047.3%049
19076.6%61.7069.30310.000.000.6043.4%027
–––––315.000.001.9040.5%013
6062.9%51.4059.30320.000.000.4036.6%5289
8059.0%46.4054.40325.000.002.6533.7%06
31057.1%41.8049.40330.000.000.6029.8%0218
17060.0%38.1044.50335.000.005.2026.9%057
58057.1%33.7039.60340.000.007.0023.9%027
8145.4%28.5033.50345.000.301.0038.6%1072
44042.5%23.9028.90350.000.401.4536.6%519
24033.7%17.7024.30355.000.053.3036.6%319
1239.5%16.6022.90357.500.453.7036.6%20
64437.6%13.7021.60360.000.002.4510.3%1626
–––––362.500.005.809.3%20
39040.5%11.6017.60365.000.453.8025.9%2264
0131.7%7.7014.70367.501.007.0031.7%10
72231.7%6.3013.00370.003.507.6034.7%649
–––––372.501.556.5023.0%186
21528.8%3.209.20375.003.709.0027.8%1429
11227.8%2.007.70377.503.6011.5027.8%15433
72830.8%2.007.00380.007.4011.5028.8%22642
2041.5%2.459.50382.506.9015.0028.8%42
3967.3%0.008.40385.008.6016.7027.8%116
–––––387.5010.5018.6027.8%520
68810.3%0.006.10390.0012.7019.4023.9%725
2232.7%0.952.50392.5014.5022.6025.9%43
762213.2%0.002.70395.0018.3024.5031.7%38
–––––397.5020.0027.0030.8%719
832032.7%0.301.25400.0021.3029.9027.8%1761
84018.1%0.003.30402.50–––––
682633.7%0.400.65405.0026.3034.4026.9%34
1620.0%0.003.10407.50–––––
38822.0%0.003.30410.0031.4039.2028.8%040
26265.9%0.155.80415.00–––––
3025.9%0.006.90417.50–––––
51226.9%0.003.20420.0041.2049.101.5%03
7027.8%0.006.90422.50–––––
15129.8%0.005.40425.00–––––
240349.3%0.050.60430.0051.2059.101.5%081
8434.7%0.000.45435.00–––––
42036.6%0.002.00440.00–––––
3039.5%0.006.90445.00–––––
7041.5%0.006.90450.00–––––
6143.4%0.006.90455.00–––––
8045.4%0.005.30460.00–––––
1048.3%0.008.70465.00–––––
–––––475.0096.20104.1051.2%10
–––––480.00101.20109.1055.1%11
1056.1%0.006.80485.00–––––
1058.1%0.006.80490.00–––––
4060.0%0.006.80495.00–––––
109062.0%0.006.80500.00–––––
2011577.6%0.001.00540.00–––––
4082.5%0.008.60555.00–––––
Click a call or put in the chain to see its history.

Source: Alpha Vantage options chain EOD (incl. greeks / IV / open interest). Contracts with low liquidity, far expirations (>180 days), and deep out-of-the-money strikes (±50%) are filtered out. P/C ratios are aggregated across the full chain.